Doosan Governor DGC-2013 Owner's Manual page 20

12. Adjust Overspeed Lamp ON time.
• At the rate speed, while pressing Test button (
potentiometer counterclockwise (
shuts off.
• With the above adjustment, the overspeed function is set at about 15% higher speed.
※ After completing every adjustment, start the engine once again to ensure the stable operation
at engine start up, at no load and at load.
Starting Fuel Adjustment (minimizing exhaust fumes)
▶
• Idle switch ON → Adjust idle speed to 800 RPM → Turn ➍Starting Fuel potentiometer
counterclockwise (
( ) for about 15°
• If exhaust fumes are within tolerance level, it is recommended to set ➍Starting Fuel
higher than 5 o'clock. If it is set too low, it may be difficult to start the engine and could
cause speed overshoot after start-up, thereby exceeding the preset overspeed value.
When Engine Does Not Start
▶
• If there is no problem with wiring, → revert every adjustment value to "factory set
values". (Refer to Table 2. - Page 24) → Start the engine once again
• If the problem is not resolved: replace the controller since the problem may be due to
controller hardware error.
20
) until Overspeed Lamp is turned on and the engine
) until the speed drops → For stability, turn once again clockwise
), slowly turn ➒ Over Speed